Paris AgreementOfficial UNFCCC page for the Paris Agreement, which says that it “builds upon the [UNFCCC] and—for the first time—brings all nations into a common cause to undertake ambitious efforts to combat climate change and adapt to its effects, with enhanced support to assist developing countries to do so. As such, it charts a new course in the global climate effort.” 143 countries are parties to the Agreement, including the United States. The text of the Agreement is available to download as a PDF at this site in all six of the official UN languages.